ASTM-E692 2000

$35.75

E692-00 Standard Test Method for Determining the Content of Cesium-137 in Irradiated Nuclear Fuels by High-Resolution Gamma-Ray Spectral Analysis

Published By	Publication Date	Number of Pages
ASTM	2000	3

Guaranteed Safe Checkout

Categories: 27.120.30 - Fissile materials and nuclear fuel technology, ASTM

If you have any questions, feel free to reach out to our online customer service team by clicking on the bottom right corner. We’re here to assist you 24/7.
Email:[email protected]

Description

ASTM E692-00

Historical Standard: Standard Test Method for Determining the Content of Cesium-137 in Irradiated Nuclear Fuels by High-Resolution Gamma-Ray Spectral Analysis

ASTM E692

Scope

1.1 This test method covers the determination of the number of atoms of Cs in aqueous solutions of irradiated uranium and plutonium nuclear fuel. To minimize interference from short-lived fission products, the fuel should decay 4 months or more prior to the gamma-ray emission-rate measurement.

1.2 When combined with a method for determining the initial number of fissile atoms in the fuel, the results of this analysis allows atom percent fission (burnup) to be calculated. The determination of atom percent fission, uranium and plutonium concentrations, and isotopic abundances are covered in Test Methods E267 and E321.

1.3 Cs is not suitable as a fission monitor for samples that may have lost cesium during reactor operation. For example, a large temperature gradient enhances Cs migration from the fuel region to cooler regions such as the radial fuel-clad gap, or to a lesser extent, towards the axial fuel end.

1.4 The Cs distribution may be ascertained by an axial gamma-ray scan of the fuel element to be assayed. In a mixed-oxide fuel, comparison of the Cs distribution with the distribution of nonmigrating fission-product nuclides such as Zr or Ce would indicate the relative degree of Cs migration. A nonuniform Cs distribution should alert the analyst to the potential loss of the fission nuclide.

1.5 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems associated with its use. It is the responsibility of whoever uses this standard to consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Keywords

Cesium-137; irradiated uranium and plutonium nuclear fuel, by high-resolution; gamma-ray spectral analysis, test,; Gamma radiation; cesium-137 in irradiated uranium/plutonium nuclear fuels, by; high-resolution gamma-ray spectral analysis, test,; High-resolution gamma-ray spectral analysis; cesium-137 content, of irradiated plutonium and uranium nuclear fuel,; test,; Nuclear fuels (reactor); cesium-137 in irradiated nuclear fuels, by high-resolution gamma-ray; spectral analysis, test,; Plutonium; cesium-137 content (of irradiated nuclear fuel), by high-resolution; gamma-ray spectral analysis, test,; Uranium; cesium-137 content, by high-resolution gamma-ray spectral analysis,; test

ICS Code

ICS Number Code 27.120.30 (Fissile materials and nuclear fuel technology)

DOI: 10.1520/E0692-00

Additional information

Standard Title	E692-00 Standard Test Method for Determining the Content of Cesium-137 in Irradiated Nuclear Fuels by High-Resolution Gamma-Ray Spectral Analysis
Published Code	ASTM
Publication Date	2000
Pages Count	3
ICS Codes	27.120.30 - Fissile materials and nuclear fuel technology